35 Ill. Adm. Code 734.665
Audits and Access to Records; Records Retention
Section 734.665 Audits and Access to Records; Records
Retention
a) Owners
or operators that submit a report, plan, budget, application for payment, or
any other data or document under this Part must maintain all books, records,
documents, and other evidence directly pertinent to the report, plan, budget,
application for payment, data, or document, including but not limited to all
financial information and data used in the preparation or support of
applications for payment. All books, records, documents, and other evidence
must be maintained in accordance with accepted business practices and
appropriate accounting procedures and practices.
b) The
Agency or any of its duly authorized representatives must have access to the
books, records, documents, and other evidence set forth in subsection (a) of
this Section during normal business hours for the purpose of inspection, audit,
and copying. Owners or operators must provide proper facilities for such
access and inspection.
c) Owners
or operators must maintain the books, records, documents, and other evidence
set forth in subsection (a) of this Section and make them available to the
Agency or its authorized representative until the latest of the following:
1) The
expiration of 4 years after the date the Agency issues a No Further Remediation
Letter pursuant to Subpart G of this Part;
2) For
books, records, documents, or other evidence relating to an appeal, litigation,
or other dispute or claim, the expiration of 3 years after the date of the
final disposition of the appeal, litigation, or other dispute or claim; or
3) The
expiration of any other applicable record retention period.